Uterine lining support

Well you guys af showed her face this morning as predicted by glow disappointed with this cycle but we move on to cycle three I knew at 12dpo when I tested with a clear blue digital and got the bfn it was over for cycle two so now I'm wondering because of the IUD I had for nine years did it thin out my uterine lining and what could I use to thicken it suggestions please!! :) Thnx good luck to all still in the TWW and in fertile window!!